Rated 4.44 / 5 from 9 reviews
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Seider We are proud of our 100 years of service to the Milwaukee area. Each of our experts is prepared to help you with the sales, service, and installation of the comfort system that is ideal for your home or business. No matter what you need in the way of total indoor comfort, whether it's a new installation or routine service, our NATE-certified technicians provide the expertise your comfort depends on. It's why we're known as one of the top dealers in the nation.

At Seider, we sell and service all HVAC and indoor comfort product makes and models. When it comes to your family, you want dependable air conditioning and heating systems that provide you with value as well as comfort. Thanks to Seider, you can expect both.
Highlights and features
  • Commercial HVAC, Maintenance Services, Cooling Services, Design Services, Repair Services, Heating Services, Replacement Services, Indoor Air Quality, Residential HVAC, Industrial HVAC, Systems & Equipment, Installation Services, Ventilation Services
Associations and certifications
  • North American Technician Excellence
  • Better Business Bureau
Reviews (9)
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Fakeha Malik
Feb 13, 2022
Our water heater had stopped working. We called Seider Heating and they were at our place within a. hour, and fixed the heater in 30 minutes. Since our unit was within warranty, we were not charged anything. We were really happy with the service. Service: Electrical panel replacement or upgrading
Andrew Jadczak
Aug 22, 2021
Installed in attic central air unit in March 2020 in an almost 100 year old home with no vents. There were some tech issues with the wall thermostat that they came back and resolved quickly (due to not using it for heating and just the cooling), otherwise the house has been comfortable for summer 2020 and 2021 as well. Wanted to wait over a year before leaving a review to provide a longer experience example.
Dan Kanitz
Jul 19, 2021
Great price, service and installation. Jason and Allex were here to install a 75 gal. water heater. They arrived first thing at 730 this morning and wrapped things up by 945. They were very professional and left the job site very clean. Totally loyal to Seider after they helped me previously getting a new furnace installed on New Year's Eve. Outstanding company.
Michele C.
May 15, 2021
I contracted with Seider to replace my old hot water heater and to replace a very old wash tub basin in my laundry area. All I can say was the work that was performed was AMAZING! I found them to be very reasonably priced, great work by Nathan my plumber with a suggestion to make it work much better. Super professional and friendly. Not always easy when trying to work with a contractor you are putting your faith into to do a good job. Thank you Seider!
Sue Simpson Bark
Mar 29, 2021
Seider installed an AC unit in our home and has serviced it since its installation. I called today for service and was told they do not service our location. The phone operator (Amy) was rude, less-than-helpful, and either hung up on me (twice), doesn't know how to transfer a phone call, or their phone service is not working properly. She seemed put out that I was calling first thing in the morning.

Nobody can find a record of our business, but I have a cancelled check and paperwork showing purchase and installation of AC unit. There are plenty of other HVAC providers. Even if I receive a call from the general manager, we'll be taking our business elsewhere.
Michelle Reichhart
Jan 08, 2021
Our experience with Seider was great, we needed a toilet fixed and a high seat toilet placed in our home! From the friendliness of the staff to the price and time it took to repair and install, all was well! Would definitely recommend and would use again Services: Toilet repair, Toilet installation
Matthew FacePaintPhantom Martin
Mar 25, 2019
The pricing, quality, and knowledge of your sales team and install team is top notch. Requested a service call for my 27 year old Carrier furnace and it was recommended by multiple different companies that it gets replaced. Seider had the best reputation in my area and they were ready with great financing options and next day install. My family and home appreciate the prompt and professional service from you guys!
Ralph & Judy Conrad
Feb 02, 2019
Two things concern me about the installation: 1. The receptacle for the filter does not provide for a good fit for the filter, leaving gaps for in-leakage of air which can bypass the filter. Please see the photos below. Please provide a remedy for this condition. 2. The installer recommended that the humidifier that was on the old furnace be discarded, so the old humidifer was not reinstalled and the humidistat adjacent to the new thermostat was removed leaving a large hole in the plaster. I think this hole should have been closed up or that the installer should have at least called my attention to it.
Willie Marlowe
Jun 08, 2018
Seider installed a furnace and a central AC unit in my home. I was very pleased with the work that was done. Everyone involved in the project, from the office manager to the install crew was very courteous, professional and knowledgeable. Todd Seider, who did the initial evaluation and cost proposal, was extremely helpful in decisions regarding the selection of systems.

The install crew was great. They arrived as scheduled and completed the job, including cleanup, much sooner than I expected. The job went without a hitch, and the cost was very competitive. I highly recommend this company.